That works with Thinkpads of the T2x and T4x vintage. I suspect that it works with many others. I've been doing this for years to eliminate hum/buzz issues that result from leakage current from the AC power system.
See http://audiosystemsgroup.com/HamInterfacing.pdf > If one is using a laptop, can a screw post from an unused multi-pin > > style connector be an effective ground connection? 73, Jim Brown K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
